Pin function description

STA1050

6/11

68

GPA5

ST7 GPIO PA5

bidir, 3.3V, 2mA

69

GPA4

ST7 GPIO PA4

bidir, 3.3V, 2mA

70

GPA3

ST7 GPIO PA3

bidir, 3.3V, 2mA

71

GPA2/ICCDATA

ST7 GPIO PA2 or ICC data for ST7 emulator

bidir, 3.3V, 2mA

72

GPA1/ICCCLK

ST7 GPIO PA1 or ICC clock for ST7 emulator

bidir, 3.3V, 2mA

73

VSS_TOP

Core VSS Ground

Vss

74

VSSPAD2

Pad Ring ground

Vss

75

VDD_TOP

Core VDD 1.8V

Vdd

76

MEMSEL0

Memory Select (ROM,FLASH)

in, 3.3V, pull-down

77

SPDIF

SPDIF Digital output

bidir, 3.3V, 2mA

78

VDDPAD4

3.3V for Digital Pad Ring

Vdd

79

C2PO

EIAJ CP-340 I/F C2PO

bidir, 3.3V, 2mA

80

SDI/MLBDATA/GPB3

I2S serial data input or MLB data line or ST7 GPIO PB3

bidir, 3.3V, 2mA

81

WSIN/MLBSIG/GPB2

I2S Word select input or MLB sig line or ST7 GPIO PB2

bidir, 3.3V, 2mA

82

SCKIN/MLBCLK/GPB1

I2S Clk input or MLB clock line or ST7 GPIO PB1

bidir, 3.3V, 2mA

83

LRCK/WSO

EIAJ CP-340 I/F L/R signal or I2S Word Select output

bidir, 3.3V, 2mA

84

MDAT/SDO

EIAJ CP-340 I/F dataout or I2S Data output

bidir, 3.3V, 2mA

85

BCLK/SCKO

EIAJ CP-340 I/F clk output or I2S Clock output

bidir, 3.3V, 2mA

86

VSSPAD3

Pad Ring ground

Vss

87

DRD5/FLASH_CE

SDRAM Data 5 or FLASH Chip Enable

bidir, 3.3V, 2mA

88

DRD7/FLASH_RSTN

SDRAM Data 7 or FLASH Reset

out, 3.3V, 2mA

89

DRD6/FLASH_RYBY

SDRAM Data 6 or FLASH Ready Busy

out, 3.3V, 2mA

90

DRD8/FLASHD0

SDRAM Data 8 or FLASH Data 0

bidir, 3.3V, 2mA

91

#nc

to be connected to ground on PCB

92

ADAC_VDDA

3.3V Audio DAC

Vdd

93

OUTR

Right channel analog output

analog out

94

VMC

Common Mode input for audio DAC

analog in

95

OUTL

Left channel analog output

analog out

96

ADAC_VSSA

Audio DAC ground

Vss

97

DRCLK

SDRAM CLK

out, 3.3V, 2mA

98

DRD3/GPC3

SDRAM Data 3 or ST7 GPIO PC3

bidir, 3.3V, 2mA

99

DRA0/FLASHA0

SDRAM Address 0 or Flash Address 0

out, 3.3V, 2mA

100

VSSPAD4

Pad Ring ground

Vss

101

DRCAS/FLASHA15

SDRAM Col address sel or Flash Address 15

out, 3.3V, 2mA

102

DRRAS/FLASHA14

SDRAM Row address sel or Flash Address 14

out, 3.3V, 2mA

Table 1.

Pin List- LQFP128 (continued)

N°

Name

Description

Pin Type